https://www.vetsurgeon.org/f/clinical-questions/30531/occult-blood-tests-with-nsaid-s Anyone over 56 gets a free occult faecal test for bowel cancer NSAID's cause gastric bleeding and ulceration So why don't we routinely do these for dogs on long term NSAID's? We eat meat, so the old argument about no meat for 2-3 days means littleen-USTelligent Community 10